diff --git a/graph/hopcroft_karp.cpp b/graph/hopcroft_karp.cpp
index 88d9d5754..2193d92ba 100644
--- a/graph/hopcroft_karp.cpp
+++ b/graph/hopcroft_karp.cpp
@@ -227,8 +227,8 @@ BGraph::BGraph():NIL(0),INF(INT_MAX)
 /**
  * Function documentation
  * @brief Constructor for initialization
- * @param 'm' is the number of vertices on left side of Bipartite Graph
- * @param 'n' is the number of vertices on right side of Bipartite Graph
+ * @param m is the number of vertices on left side of Bipartite Graph
+ * @param n is the number of vertices on right side of Bipartite Graph
  */
 BGraph::BGraph(int m, int n):NIL(0),INF(INT_MAX)
 {